Case Study #2 UBURR
Industry: Cutting Tools Manufacture
Goal: Removing burrs from rear
machined drills
made for clamping screw
Application details:
- Material: AISI 4340, Wr N.1.6928
with 45HRc hardness
- Pilot Holes: Ø5mm / .197”
- Pilot Hole Length: H1=50mm / 1.97”
- Machine: Hermle C50
- Production Volume: 5000
boors/month for one family of tools.
Tool: UB1050; UB-d050-C08-H53-L115
Blade: UB2060; UB-TSB-5-PL
Machining Parameters:
|
Ød Pilot-Hole |
S Spindle Speed |
F Table Feed |
vc Cutting Speed |
fz Feed per tooth |
Coolant |
||||
|
mm |
Inch |
RPM |
mm/min |
inch/min. |
m/min. |
sfm |
mm |
inch |
|
|
5.0 |
0.315 |
2500 |
250 |
10 |
40 |
131 |
0.10 |
0.004 |
External Air |
Results: The burrs were successfully removed, leaving 0.25×45° chamfers.
The customer saved roughly ~14 hours on manual work in 1 month.
